共 4 条
[1]
BISSINGER WE, 1951, J ASSOC OFF AGR CHEM, V34, P812
[3]
FREED V. H., 1951, Tech. Pap. Ore. agric. Exp. Stat., V696, P48
[4]
JACOBS MB, 1949, ANAL CHEM IND POISON, P711